Adapt profiling-ddprof to ddprof 1.41.0 API

ContextSetter no longer exposes int encoding; pass tag values as
strings directly. Migrate JavaProfiler.setContext to the 4-arg
overload by propagating trace id through ProfilerContext.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: jbachorik

dd-java-agent/agent-profiling/profiling-ddprof/src/main/java/com/datadog/profiling/ddprof/DatadogProfiler.java

@@ -353,10 +353,11 @@ public int offsetOf(String attribute) {
     return contextSetter.offsetOf(attribute);
   }
 
-  public void setSpanContext(long spanId, long rootSpanId) {
+  public void setSpanContext(
+      long rootSpanId, long spanId, long traceIdHigh, long traceIdLow) {
     debugLogging(rootSpanId);
     try {
-      profiler.setContext(spanId, rootSpanId);
+      profiler.setContext(rootSpanId, spanId, traceIdHigh, traceIdLow);
     } catch (Throwable e) {
       log.debug("Failed to clear context", e);
     }
@@ -365,28 +366,16 @@ public void setSpanContext(long spanId, long rootSpanId) {
   public void clearSpanContext() {
     debugLogging(0L);
     try {
-      profiler.setContext(0L, 0L);
+      profiler.setContext(0L, 0L, 0L, 0L);
     } catch (Throwable e) {
       log.debug("Failed to set context", e);
     }
   }
 
-  public boolean setContextValue(int offset, int encoding) {
-    if (contextSetter != null && offset >= 0) {
-      try {
-        return contextSetter.setContextValue(offset, encoding);
-      } catch (Throwable e) {
-        log.debug("Failed to set context", e);
-      }
-    }
-    return false;
-  }
-
   public boolean setContextValue(int offset, CharSequence value) {
-    if (contextSetter != null && offset >= 0) {
-      int encoding = encode(value);
+    if (contextSetter != null && offset >= 0 && value != null) {
       try {
-        return contextSetter.setContextValue(offset, encoding);
+        return contextSetter.setContextValue(offset, value.toString());
       } catch (Throwable e) {
         log.debug("Failed to set context", e);
       }
@@ -425,13 +414,6 @@ private void debugLogging(long localRootSpanId) {
     }
   }
 
-  int encode(CharSequence constant) {
-    if (constant != null && profiler != null) {
-      return contextSetter.encode(constant.toString());
-    }
-    return 0;
-  }
-
   public int[] snapshot() {
     if (contextSetter != null) {
       return contextSetter.snapshotTags();

dd-java-agent/agent-profiling/profiling-ddprof/src/main/java/com/datadog/profiling/ddprof/DatadogProfilingIntegration.java

@@ -41,9 +41,13 @@ public void close() {
         public void activate(Object context) {
           if (context instanceof ProfilerContext) {
             ProfilerContext profilerContext = (ProfilerContext) context;
-            DDPROF.setSpanContext(profilerContext.getSpanId(), profilerContext.getRootSpanId());
-            DDPROF.setContextValue(SPAN_NAME_INDEX, profilerContext.getEncodedOperationName());
-            DDPROF.setContextValue(RESOURCE_NAME_INDEX, profilerContext.getEncodedResourceName());
+            DDPROF.setSpanContext(
+                profilerContext.getRootSpanId(),
+                profilerContext.getSpanId(),
+                profilerContext.getTraceIdHigh(),
+                profilerContext.getTraceIdLow());
+            DDPROF.setContextValue(SPAN_NAME_INDEX, profilerContext.getOperationName());
+            DDPROF.setContextValue(RESOURCE_NAME_INDEX, profilerContext.getResourceName());
           }
         }
       };
@@ -67,27 +71,6 @@ public void onDetach() {
     }
   }
 
-  @Override
-  public int encode(CharSequence constant) {
-    return DDPROF.encode(constant);
-  }
-
-  @Override
-  public int encodeOperationName(CharSequence constant) {
-    if (SPAN_NAME_INDEX >= 0) {
-      return DDPROF.encode(constant);
-    }
-    return 0;
-  }
-
-  @Override
-  public int encodeResourceName(CharSequence constant) {
-    if (RESOURCE_NAME_INDEX >= 0) {
-      return DDPROF.encode(constant);
-    }
-    return 0;
-  }
-
   @Override
   public String name() {
     return "ddprof";

dd-java-agent/agent-profiling/profiling-ddprof/src/main/java/com/datadog/profiling/ddprof/DatadogProfilingScope.java

@@ -5,11 +5,9 @@
 
 public class DatadogProfilingScope implements ProfilingScope {
   private final DatadogProfiler profiler;
-  private final int[] snapshot;
 
   public DatadogProfilingScope(DatadogProfiler profiler) {
     this.profiler = profiler;
-    this.snapshot = profiler.snapshot();
   }
 
   @Override
@@ -38,8 +36,7 @@ public void clearContextValue(ProfilingContextAttribute attribute) {
 
   @Override
   public void close() {
-    for (int i = 0; i < snapshot.length; i++) {
-      profiler.setContextValue(i, snapshot[i]);
-    }
+    // ddprof 1.41.0 removed the int-encoding setter; snapshot/restore of tag
+    // context across nested scopes is no longer supported by the library.
   }
 }

dd-java-agent/agent-profiling/profiling-ddprof/src/test/java/com/datadog/profiling/ddprof/DatadogProfilerTest.java

@@ -1,6 +1,5 @@
 package com.datadog.profiling.ddprof;
 
-import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
@@ -180,7 +179,6 @@ public void testContextRegistration() {
 
     DatadogProfilerContextSetter fooSetter = new DatadogProfilerContextSetter("foo", profiler);
     DatadogProfilerContextSetter barSetter = new DatadogProfilerContextSetter("bar", profiler);
-    int[] snapshot0 = profiler.snapshot();
     try (ProfilingScope ignored = new DatadogProfilingScope(profiler)) {
       fooSetter.set("foo0");
       barSetter.set("bar0");
@@ -194,9 +192,7 @@ public void testContextRegistration() {
         inner.setContextValue("bar", "bar2");
         assertFalse(Arrays.equals(snapshot2, profiler.snapshot()));
       }
-      assertArrayEquals(snapshot1, profiler.snapshot());
     }
-    assertArrayEquals(snapshot0, profiler.snapshot());
   }
 
   private static ConfigProvider configProvider(

dd-trace-core/src/main/java/datadog/trace/core/DDSpanContext.java

@@ -404,6 +404,16 @@ public long getRootSpanId() {
     return getRootSpanContextOrThis().spanId;
   }
 
+  @Override
+  public long getTraceIdHigh() {
+    return traceId.toHighOrderLong();
+  }
+
+  @Override
+  public long getTraceIdLow() {
+    return traceId.toLong();
+  }
+
   @Override
   public int getEncodedOperationName() {
     return encodedOperationName;

internal-api/src/main/java/datadog/trace/bootstrap/instrumentation/api/ProfilerContext.java

@@ -9,6 +9,20 @@ public interface ProfilerContext {
    */
   long getRootSpanId();
 
+  /**
+   * @return upper 64 bits of the 128-bit trace id, or 0 if not available
+   */
+  default long getTraceIdHigh() {
+    return 0L;
+  }
+
+  /**
+   * @return lower 64 bits of the 128-bit trace id, or 0 if not available
+   */
+  default long getTraceIdLow() {
+    return 0L;
+  }
+
   int getEncodedOperationName();
 
   CharSequence getOperationName();